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cbb8bf9f88
APIs esp_btbb_enable and esp_btbb_disable are supposed to be used by 802.15.4 and Bluetooth module, and implemented with reference counter for resource management
35 lines
769 B
C
35 lines
769 B
C
/*
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* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdint.h>
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#include "freertos/FreeRTOS.h"
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#include "esp_private/btbb.h"
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#define BTBB_ENABLE_VERSION_PRINT 1
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static _lock_t s_btbb_access_lock;
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/* Reference count of enabling BT BB */
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static uint8_t s_btbb_access_ref = 0;
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void esp_btbb_enable(void)
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{
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_lock_acquire(&s_btbb_access_lock);
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if (s_btbb_access_ref == 0) {
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bt_bb_v2_init_cmplx(BTBB_ENABLE_VERSION_PRINT);
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}
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s_btbb_access_ref++;
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_lock_release(&s_btbb_access_lock);
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}
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void esp_btbb_disable(void)
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{
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_lock_acquire(&s_btbb_access_lock);
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if (s_btbb_access_ref > 0) {
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s_btbb_access_ref--;
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}
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_lock_release(&s_btbb_access_lock);
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}
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